<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			body,html{
				width: 100%;
				height: 100%;
			}
			.echart{
				width: 100%;
				height: 30%;
				border: 1px solid #666;
			}
		</style>
	</head>
	<body>
		<div class="echart"></div>
	</body>
</html>
